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Nanocomposites and methods for synthesis and use thereof

a technology of nanocomposites and composite materials, applied in the field of nanocomposites, can solve the problems of increasing brittleness, reducing elastic modulus, and adding stability

Inactive Publication Date: 2009-07-07
BOARD OF RGT THE UNIV OF TEXAS SYST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, thermosetting polymers are often highly cross-linked, adding to stability but increasing brittleness.
Unfortunately, the inclusion of thermoplastics into such polymers can reduce their elastic modulus at the same time that they enhance ductility.
However, such fillers are often incompatible with the polymer.
Unfortunately, zirconium oxide particles and other metal containing particles have proven difficult to disperse homogeneously into organic resins.

Method used

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  • Nanocomposites and methods for synthesis and use thereof

Examples

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example

Example 1

Synthetic Preparation of Layered Zirconium Phosphonates by in-situ Templating on Amphiphilic Liquid Crystals

[0090]Step 1

O-Alkylation of Brominated Primary Alcohols (Diem Method):

[0091]To a baffled (indented) 500 mL round-bottom flask, fitted with an inlet adapter, a condenser, a stopper, and a magnetic stir bar is added either trimethyloxonium tetrafluoroborate (10 g, 67 mmol) or triethyloxonium tetrafluoroborate (10 g, 53 mmol) under passing nitrogen. To the same flask is also added either 11-bromo-1-undecanol (recrystallized from diethyl ether) or 8-bromo-1-octanol (vacuum distilled) in an amount no greater than 0.9 molar equivalents of the O-alkylating agent. To the same flask is also added either 1,8-bis(dimethylamino)naphthalene (Proton-Sponge®, Aldrich) or tribenzylamine (Aldrich) in an amount equal to 1 molar equivalent of the O-alkylating agent. To the aforementioned dry powders is added dichloromethane (DCM, ca. 250 mL). The vessel is sealed under nitrogen backpres...

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Abstract

Nanocomposite compositions and methods of synthesis of the compositions are described. In particular, liquid crystal-functionalized nanoparticles, liquid crystal-templated nanoparticles, nanocomposite compositions including the nanoparticles, and composite compositions including the nanocomposites are detailed.

Description

GRANT REFERENCE[0001]The U.S. government has certain rights in this invention pursuant to grant number NIDCR PO1 DE 11688.FIELD OF THE INVENTION[0002]The invention relates to nanocomposite compositions, as well as methods of synthesis of the compositions. In particular, the invention relates to liquid crystal-functionalized nanoplatelets, liquid crystal-templated nanoplatelets, nanocomposite compositions comprising said nanoplatelets, and composite compositions comprising said nanocomposites.BACKGROUND OF THE INVENTION[0003]Thermosetting polymers have myriad uses in various industries including aerospace and electronics industries as well as in the manufacture of consumer products. In particular, thermosets have the properties of being durable and relatively resistant to environmental stressors such as heat, microorganisms, and water. As a result, thermosetting polymers have found wide ranging uses as coatings; adhesives; construction components such as for crack repair, bonding and...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): C09K19/00C09K19/06C09K19/52
CPCC09K19/40C09K19/52Y10T428/25Y10T428/10C09K2323/00Y10T428/249978Y10T428/31504Y10T428/31855
Inventor FURMAN, BENJAMIN R.WELLINGHOFF, STEPHEN T.THOMPSON, PAUL M.RAWLS, H. RALPH
Owner BOARD OF RGT THE UNIV OF TEXAS SYST
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